Center Command

From GeoGebra Manual
Jump to: navigation, search


Center( <Conic> )
Returns the center of a circle, ellipse, or hyperbola.
Example: Center(x^2 + 4 y^2 + 2x - 8y + 1 = 0)
(Gb.png, Au.png: Centre(x^2 + 4 y^2 + 2x - 8y + 1 = 0))
returns point A = (-1, 1)
Note: See also Mode midpoint.svg Midpoint or Center (Gb.png, Au.png: Midpoint or Centre) tool .
Center( <Quadric> )
Creates the center of a quadric (e.g. sphere, cone, etc.).
Example:
Center(x^2 + (y-1)^2 + (z-2)^2 = 1) yields (0, 1, 2)
© 2018 International GeoGebra Institute